Comparison between dry and conventional
HSS Hob | Carbide Hob | ||
Coolant | Non water soluble oil | Dry | Dry |
Speed | 80 - 120 | 120 - 160 | 300 - 350 |
Efficiency | 1 | 1.5 | 3 |
Tool Life | 1 | (2 - 5) | (4 - 10) |
Cost | 1 | (1.5 - 2) | (3 - 4) |
Accuracy | ![]() |
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Reliability | ![]() |
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Workability | ![]() |
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Workshop environment | ![]() |
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Recommended cutting conditions
Summary of dry hobbing